SRC back One is called SRC for Source and one is called SRC.back which was my backup of today's source code in case I screw up.

其中一个叫SRC，用来装源代码，另一个叫,用来备份源代码，以防我搞砸了。

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The bulk of their time was spent on designing the screw-free case.

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It has been downhill from there in what has become a classic case study of how to screw up a public relations challenge.

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The supports are fully adjustable via a screw mechanism, and there's padding, of course, to prevent any damage to the case itself.

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